Improvement in coffee-cleaning machines



UNITED STATES PATENT OFFICE.

WILLIAM H. ELTON, ou BALTIMORE, IIIARYLAND.`

lMPROVENlENT IN COFFEE-CLEANING MACHlNES.

Specification forming part of Letters Patent No. 102,519, dated May 3, 1870.`

To all whom it may concern: end, e. The bands rest upon the staves, and

Be it known that I, WILLIAM H. ELTON, of are secured to the heads and hoops by bolts Baltimore city, in the State of Maryland, have and nuts. They are caused to clamp the staves invented certain new and useful Improvements tightly by nuts or bolts passing through their in Coffee-Cleaning Machines, ot' which the fol bent ends c, thus holding the slaves firmly in lowing is a full, clear, and exact description. I place.

Myinvention relates toamachine oflheclnss A hopper, F, is secured in the frame above havinga revolvinghoiizontal cylinderin which the cylinder, and another hopper', G, is fixed the colee is cleaned. beneath the cylinder. Each hopperis provided My improvementsconsist, first, in a revolvwith a suitable sliding gate or shut-oft'. ing imperl'orate horizontal cylinder provided The cott'ee to be cleaned is placed inthe upwith short ribs or teeth vprojecting from its inper hopper, the door ot the cylinder opened, ner circumference and perforated heads, as i andthe cylinder brought to the proper posihereinafter fullydescribcd; secomhlnthecoml tion to receive the coffee-from 'the hopper. bination of the'cylinder, its teeth, the. perfo- When the desired quantity ot' coffee has run into the cylinder the slide-gate is closed, the

rated heads, and openings between the periphcylinder-door fastened, and the machine set in eries of the heads and the inn'er sides ot' the ends ot' the cylinder, as hereinafter fully demotion. As the cylinder revolves the coffee is scribed. l thoroughly agitated by the teeth a and rubbed vIn theaccoinpanying drawings, Figure 1 repby contact .with theml and the cylinder. Dust resents a front elevation ot' my improved maand trash pass out through the openings inthe chine with the cylinder-door open; Fig. 2, a heads and the circumferential openings d. The vertical central section through the same., and coffee, when cleaned, is discharged into the Fig. 3 a vertical section through one ot' the lower hopper, the revolution ot' the machine heads at the liuc ot' Fig. 2. having been stopped by shifting the driving- A cylinder, A, composed of wooden sta-ves, band to the loose wheel b2, and a fresh supply and having small ribs orv teeth aupon its inis then received into the cylinder from theupside, is secured by means of its heads C to a per hopper. shalt, b, which is revolved'in proper bearings What I claim isin a stout frame, B, by a band passing around 1. The combination of the impertorate cyla band-wheel, b', and driven bysuitable means. inder, the teeth, and the perforated heads, all

TheheadsUot'thecylinderarc ot'nietal,having these parts vbeing constructed to operate in y numerous small openings, and each having a combination, as settorth.

iin-nge, c, provided with projections or shonl- 2.-lhe combination, with thecylinder, ofthe ders c at regular intervals. A hoop, D, (its heads, constructed as described, with aperaround each head, resting ou the shoulders e', tures between the peripheries ot' the heads and and is secured in place by' bolts passing` through the cylinder. the hoop and flanges c. rllhese hoops form sup- [n testimony whereof I have hereunto sub- 'ports for the ends ot the staves of the cylinscribed my name.

der. The spaces between the shoulders c'l'orm WM. II. ELTON.

openings d between the hoopsv and heads. Witnesses:

A binding-band, E, for each end of the cyl- WVM. F. HYNTON, I'nder is made in two parts, cach bent at one J. R. BILLINGS. 

